Pressure cooker



1. Pressure cooker

1.1 is a front elevation view of a pressure cooker showing our new design; 1.2 is a left side elevation view thereof; 1.3 is a right side elevation view thereof; 1.4 is a top plan view thereof; 1.5 is a bottom plan view thereof; 1.6 is a perspective view thereof; and 1.7 is another perspective view thereof; the present product is used for cooking foods. 

CLAIM The ornamental design for a pressure cooker, as shown and described. 